Finding the Fourth Proportional to 813,739.99, 1,220,360.79 and 562,634.12
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Solution
The fourth proportional to 813,739.99, 1,220,360.79 and 562,634.12 is: 843,778.88
Step by Step Solution
- Step 1: Write the proportion equation
813,739.99 : 1,220,360.79 = 562,634.12 : x - Step 2: Convert to fraction form
813,739.99/1,220,360.79 = 562,634.12/x - Step 3: Cross multiply
813,739.99x = 1,220,360.79 × 562,634.12 - Step 4: Simplify right side
813,739.99x = 686,616,619,164.16 - Step 5: Solve for x
x = 686,616,619,164.16/813,739.99 - Step 6: Final answer
x = 843,778.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.